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  Energy efficient water sprinklerUSPTO Application #: 20070246568Title: Energy efficient water sprinkler Abstract: An energy efficient water sprinkler has a housing with primary and secondary water chambers each with a turning wheel for translating the force of impacting water to rotational motion of a central shaft journal. Water is forced through a central channel in the rotating shaft and discharged from the housing. A portion of the discharged water is directed to deflection fins on the outer surface of the housing to further impart rotational or energy to the rotating shaft. (end of abstract)
Agent: Thomas E. Sisson Jackson Walker, LLP - San Antonio, TX, US Inventor: Jeffery D. Baird USPTO Applicaton #: 20070246568 - Class: 239214130 (USPTO) Related Patent Categories: Fluid Sprinkling, Spraying, And Diffusing, Slinger Or Splasher; Or Deflector Rotated Relative To Effluent, With Addition Of Other Fluid Downstream Of Distributor, Distributor Motion Caused By Fluid Flow The Patent Description & Claims data below is from USPTO Patent Application 20070246568. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] This is a regular utility patent application claiming priority to co-pending U.S. Provisional Application No. 60/794,748, filed Apr. 25, 2006. BACKGROUND OF THE INVENTION [0002] The present invention relates to an improved water sprinkler system. Typical household water pressure is 50-60 psi. A hose having a 5/8''-3/4'' inside diameter will usually deliver 4 to 6 gallons of water per minute at those pressures. Sprinklers which use pressure to deliver water in various discharge patterns essentially restrict flow and reduce the gallons per minute (flow rate) delivered. Further, most current devices have numerous small parts which are susceptible to lime, calcium, and dirt residue buildups which additionally restrict water flow. There is a need for a sprinkler which provides a full volume flow with little restriction. SUMMARY OF THE INVENTION [0003] The present invention utilizes the total line pressure and total water volume to operate a rotating spray header to provide a distribution pattern of water. The power in and power out ratio of the rotating axle of the present device provides a device which is capable of mechanical crawling or even hovering. [0004] The present invention utilizes centrifugal force developed by rotors to assist in the rotation of a main shaft having the water distribution nozzles as will be fully understood in the attached drawing. Additional weights may be added to the ends of the primary wheel or turbine to add a kinetic energy which results in a pull from the supply line and "supercharge" of the secondary chamber. The rotational torque assist obtained from the inlet water contacting the primary wheel depends on the length of the wheel blades from the center of the axle and the line pressure and water volume. The rotational torque assist attained from the secondary wheel depends upon the effective length of the arcuate blade from the center of the axle and the pressure and water volume into the secondary chamber from the primary chamber. BRIEF DESCRIPTION OF THE DRAWINGS [0005] FIG. 1 is a partial cutaway, side-elevation, perspective view of the present invention. [0006] FIG. 2 is a side-elevation exploded view of the present invention showing the various separate parts. [0007] FIG. 3 is an opposite side-elevation exploded view of the present invention showing the various separate parts. [0008] FIG. 4 illustrates a partial cutaway top side perspective view of the present invention. [0009] FIG. 5 is an opposite side-elevation view of the present invention shown in FIG. 1, illustrating in a cutaway section, the base cap plate, the lower and upper O-rings, the secondary wheel or turbine, the main shaft with the inlet holes into the shaft from the secondary chamber. [0010] FIG. 6 is a partial cutaway, top perspective view of the present invention showing the primary wheel attached to the main shaft in the base cover and base chamber, the base cap plate dividing the primary and secondary chambers, the secondary wheel attached to the main shaft, the top housing cover with the deflector fins formed in the housing cover, the thruster nozzles, the distribution spray legs and nozzles, and the shower nozzle. [0011] FIG. 7 is a partial cutaway top plan view of the present invention. [0012] FIG. 8 is a side elevation view showing the primary wheel in a cutaway portion of the base cover. [0013] FIG. 9 is a bottom plan view of the present invention with a partial cutaway section showing the primary wheel in the base cover and the base cap plate. [0014] FIG. 10 illustrates a partial cutaway view of the base cover with the inlet conduit to the base chamber and the discharge conduit for fluid communication with the secondary chamber. [0015] FIG. 11 is a top perspective view of the primary wheel which attaches through the opening in the hub to the main shaft. [0016] FIG. 12 illustrates a side elevation perspective view of the main shaft with the support journal on the base, keys for cooperation with the key ways on the primary and secondary wheels or turbines, central inlet openings positioned circumferentially about the shaft and communicating with an internal channel to the three sets of upper discharge openings which communicate with the thruster nozzles, the distribution legs, and the shower nozzle, respectively. [0017] FIG. 13 is a simple, partial cutaway perspective view of the base cap plate which separates the primary chamber from the secondary chamber and provides a sealable opening for receiving the rotatable main shaft. [0018] FIG. 14 shows a top perspective view of the secondary wheel or turbine with a central opening (with keyways) for accepting and retaining the main shaft. The wheel blades are arcuate for improving energy transfer from pressurized water entering the secondary chamber. [0019] FIG. 15 is a partial cutaway, top perspective view of the top housing cover showing the secondary chamber inlet conduit and a plurality of deflector fins formed in the top surface of the top housing cover. [0020] FIG. 16 illustrates the main rotation shaft of FIG. 12 in perspective view showing the central inlet openings and the thruster nozzle assemblies attached to a first set of discharge openings, the distribution legs and nozzles attached to a second set of discharge openings, and the shower nozzle attached to the top of the shaft and in fluid communication with the internal channel in the shaft. [0021] FIG. 17 is a perspective view of the shower nozzle of the present invention. Continue reading... Full patent description for Energy efficient water sprinkler Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Energy efficient water sprinkler patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Energy efficient water sprinkler or other areas of interest. ### Previous Patent Application: Channeled check valve assembly Next Patent Application: Trigger spray Industry Class: Fluid sprinkling, spraying, and diffusing ### FreshPatents.com Support Thank you for viewing the Energy efficient water sprinkler patent info. 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